package cn.lsc.mq.consumer;


import cn.lsc.domain.MediaFile;
import cn.lsc.service.IMediaFileService;
import com.alibaba.fastjson.JSONObject;
import org.apache.rocketmq.common.message.MessageExt;
import org.apache.rocketmq.spring.annotation.MessageModel;
import org.apache.rocketmq.spring.annotation.RocketMQMessageListener;
import org.apache.rocketmq.spring.core.RocketMQListener;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import java.nio.charset.StandardCharsets;

@Component
@RocketMQMessageListener(
        consumerGroup="service-media-consumer",
        topic = "topic-media",
        selectorExpression="tag-media",
        messageModel= MessageModel.CLUSTERING
)
public class Consumer  implements RocketMQListener<MessageExt> {
    @Autowired
    private IMediaFileService mediaFileService;
    @Override
    public void onMessage(MessageExt messageExt) {
        if(messageExt.getBody() == null){//防疫性编程
            return;
        }
        //真正的消费消息的业务逻辑
        String message = new String(messageExt.getBody(), StandardCharsets.UTF_8);
        MediaFile mediaFile = JSONObject.parseObject(message, MediaFile.class);

        mediaFileService.handleFile2m3u8(mediaFile);
    }


}
